js身份证验证，二代身份证，大陆，权重验证，正规
———话不多说，直接复制即用。。。——-
function regIdCard(idcode) {
const weight_factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
const check_code = [\’1\’, \’0\’, \’X\’, \’9\’, \’8\’, \’7\’, \’6\’, \’5\’, \’4\’, \’3\’, \’2\’];
const idcard_patter = /^[1-9][0-9]{5}([1][9][0-9]{2}|[2][0][0|1][0-9])([0][1-9]|[1][0|1|2])([0][1-9]|[1|2][0-9]|[3][0|1])[0-9]{3}([0-9]|[X])$/;
const format = idcard_patter.test(idcode);
const seventeen = idcode.substring(0, 17);
let num = 0;
for (let i = 0; i < seventeen.length; i++) {
num = num + seventeen[i] * weight_factor[i];
}
return idcode[17] === check_code[num % 11] && format ? true : false;
}
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